Patents-Review.com
ClassID:

30033 ⎘

B01D71/78 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material; Macromolecular material not specifically provided for in a single one of groups  -  Graft polymers

Recent Application in this class:
#1
20260085142
2026-03-26

GRAFT POLYARYLETHER COPOLYMERS

 #2
20260014530
2026-01-15

SYNTHESIS OF MEMBRANES GRAFTED WITH AMINE-MODIFIED METAL OXIDE FOR WATER TREATMENT

 #3
20250367610
2025-12-04

Block Copolymers Grafted to Porous Polymeric Substrate

 #4
20250065274
2025-02-27

Method for Biomaterial Purification

 #5
20250018347
2025-01-16

DURABLE WATER PERMEABLE FILTRATION MEMBRANES

 #6
20240399318
2024-12-05

CERAMIC CATION EXCHANGE MATERIALS

 #7
20240317952
2024-09-26

Fabrication of reinforced anion exchange membranes

 #8
20240299878
2024-09-12

CROSSLINKED POLYMER MEMBRANES AND METHODS OF THEIR PRODUCTION

 #9
20240209130
2024-06-27

A MINIMALLY SWELLABLE BIOCOMPATIBLE MEMBRANE AND PREPARATION METHOD THEREOF

 #10
20240207765
2024-06-27

VIRAL FILTRATION MEDIA, ARTICLES, AND METHODS

 #11
20230415103
2023-12-28

POLYAMIDE COMPOSITE REVERSE OSMOSIS MEMBRANE AND PREPARATION METHOD THEREOF

 #12
20230149916
2023-05-18

MEMBRANE FOR REMOVING ANIONIC MATERIALS

 #13
20220258131
2022-08-18

Gas separation membranes from polymer-grafted nanoparticles

 #14
20220193620
2022-06-23

ASYMMETRIC COMPOSITE MEMBRANES AND MODIFIED SUBSTRATES USED IN THEIR PREPARATION

 #15
20220169802
2022-06-02

Polypropylene backbone, and nanoporous polypropylene membrane

 #16
20220152558
2022-05-19

Desalination membranes

 #17
20220134287
2022-05-05

Coated porous polymeric membranes

 #18
20220032282
2022-02-03

Grafted polysulfone membranes

 #19
20220023805
2022-01-27

Ultrafiltration/nanofiltration membrane with tunable pore size

 #20
20210379539
2021-12-09

Bilayer electrospun membranes for treating fracking wastewater via membrane distillation

 #21
20210308627
2021-10-07

Dual-layer membrane and method for preparing same

 #22
20210268451
2021-09-02

CERAMIC NANOFILTRATION MEMBRANE WITH POLYMERS GRAFTED INTO THE PORES AND METHOD OF PRODUCING SAME

 #23
20210260534
2021-08-26

Ceramic cation exchange materials

 #24
20210236987
2021-08-05

Surface modified membranes for gas separation, and a method for preparing thereof

 #25
20210170345
2021-06-10

Crosslinked polymer membranes and methods of their production

 #26
20210146310
2021-05-20

PVP- AND/OR PVL-CONTAINING COMPOSITE MEMBRANES AND METHODS OF USE

 #27
20210031152
2021-02-04

Functionalized copolymers and use thereof

 #28
20200406201
2020-12-31

Hydrophobic polyethylene membrane for use in venting, degassing, and membrane distillation processes

 #29
20200384425
2020-12-10

Zwitterionic polymer additives for fouling resistant filtration membranes

 #30
20200384421
2020-12-10

Ceramic cation exchange materials

 #31
20200353425
2020-11-12

Synthetic membranes and methods of use thereof

 #32
20200353423
2020-11-12

Polymer Material, Membrane and Coating as Well as Preparation Methods and Applications Thereof

 #33
20200206691
2020-07-02

Coated porous polymeric membranes

 #34
20200164318
2020-05-28

Graphene-based membrane and method of producing the same

 #35
20200139308
2020-05-07

Synthetic membranes and methods of use thereof

 #36
20190351375
2019-11-21

Universal scalable and cost-effective surface modifications

 #37
20190284321
2019-09-19

Heat-Induced Grafting Of Nonwovens For High Capacity Ion Exchange Separation

 #38
20190247805
2019-08-15

POROUS MEMBRANE AND METHOD FOR MANUFACTURING POROUS MEMBRANE

 #39
20190184345
2019-06-20

Gas separation membrane containing heteromorphous shaped silica nanoparticles

 #40
20190083942
2019-03-21

Method for manufacturing gas separation membrane

 #41
20190070567
2019-03-07

Synthetic membranes and methods of use thereof

 #42
20190055327
2019-02-21

Method for manufacturing filter membrane for inhibiting microorganisms

 #43
20190001281
2019-01-03

Grafted islands-in-the-sea nonwoven for high capacity ion exchange bioseparation

 #44
20190001273
2019-01-03

PVP- and/or PVL-containing composite membranes and methods of use

 #45
20180369747
2018-12-27

Continuous process for cleaning process waste air obtained in the production of silicones

 #46
20180318774
2018-11-08

Crosslinked polymer membranes and methods of their production

 #47
20180290109
2018-10-11

Grafted ultra high molecular weight polyethylene microporous membranes

 #48
20180257042
2018-09-13

Filtration medium sequence for biomaterial purification

 #49
20180185835
2018-07-05

Grafted polysulfone membranes

 #50
20180133657
2018-05-17

Two-layer photo-responsive membranes

 #51
20180065866
2018-03-08

Submersible desalination apparatus

 #52
20180001278
2018-01-04

Zwitterionic copolymers for fouling resistant filtration membranes

 #53
20170326504
2017-11-16

Grafted membranes and substrates having surfaces with switchable superoleophilicity and superoleophobicity and applications thereof

 #54
20170312698
2017-11-02

Synthetic membranes and methods of use thereof

 #55
20170296986
2017-10-19

Universal scalable and cost-effective surface modifications

 #56
20170274377
2017-09-28

Micro nanoporous membrane, preparing method thereof and microfluidic device using thereof

 #57
20170225126
2017-08-10

Method for producing antifouling coatings made of thin-layer composite membranes for reverse osmosis and nanofiltration

 #58
20170203257
2017-07-20

Composite perfluorohydrocarbon membranes, their preparation and use

 #59
20170165617
2017-06-15

Graft copolymer functionalized article

 #60
20170056835
2017-03-02

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

 #61
20170043301
2017-02-16

Composite membrane with support comprising poly(phenylene ether) and amphilphilic polymer; method of making; and separation module thereof

 #62
20170029462
2017-02-02

Virus removal membrane

 #63
20170021310
2017-01-26

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

 #64
20160101386
2016-04-14

Grafted polymer nanocomposite materials, systems, and methods

 #65
20160023170
2016-01-28

POLYVINYLIDENE FLUORIDE HOLLOW FIBER MEMBRANES AND PREPARATION THEREOF

 #66
20160001236
2016-01-07

Universal scalable and cost-effective surface modifications

 #67
20150344654
2015-12-03

Self-assembled structure and membrane comprising block copolymer and process for producing the same by spin coating (IIIa)

 #68
20150298066
2015-10-22

Composite polyamide membrane made using substituted benzamide monomer

 #69
20150259457
2015-09-17

Vinyl alcohol-based graft polymer, method for producing same, and ion-exchange membrane using same

 #70
20150136698
2015-05-21

Graft copolymer functionalized article

 #71
20140231351
2014-08-21

Magnetically responsive membranes

 #72
20140227627
2014-08-14

Anion transport membrane

 #73
20140083930
2014-03-27

Desalination treatment membrane

 #74
20140048478
2014-02-20

Highly hydrophilic and highly oleophobic membrane for oil-water separation

 #75
20130306551
2013-11-21

High performance positively charged composite membranes and their use in nanofiltration processes

 #76
20130267622
2013-10-10

Hydrophilic vinylidene fluoride polymers

 #77
20130264287
2013-10-10

Grafted membranes and substrates having surfaces with switchable superoleophilicity and superoleophobicity and applications thereof

 #78
20130256229
2013-10-03

Large pore polymeric membrane

 #79
20130217839
2013-08-22

Grafted poly(arylsulfone) and a process for grafting a poly(arylsulfone)

 #80
20130171669
2013-07-04

POROUS MEMBRANES HAVING A HYDROPHILIC COATING AND METHODS FOR THEIR PREPARATION AND USE

 #81
20130090597
2013-04-11

USE OF MODIFIED HOLLOW FIBER MATERIALS FOR REMOVING EXOTOXINS PRODUCED BY ESCHERICHIA COLI FROM LIQUIDS AND METHODS FOR TREATING CONCOMITANT DISEASES

 #82
20130032530
2013-02-07

Composite semipermeable membrane

 #83
20120322983
2012-12-20

METHOD FOR PURIFYING PROTEIN

 #84
20120213998
2012-08-23

Process for the preparation of hyperbranched hollow fibers

 #85
20120160771
2012-06-28

Separation material

 #86
20120123002
2012-05-17

Method for purification of antibody using porous membrane having amino group and alkyl group both bound to graft chain immobilized on porous substrate

 #87
20110198288
2011-08-18

Fouling resistant membranes formed with polyacrylonitrile graft copolymers

 #88
20110168630
2011-07-14

Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof

 #89
20110120307
2011-05-26

Composite perfluorohydrocarbon membranes, their preparation and use

 #90
20110046074
2011-02-24

Highly permeable polymeric membranes

 #91
20100304273
2010-12-02

Proton conducting membranes for fuel cells having a proton gradient and methods for preparing said membranes

 #92
20100228010
2010-09-09

Method for purifying protein

 #93
20100159353
2010-06-24

POLYMER ELECTROLYTE, POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY AND POLYMER ELECTROLYTE FUEL CELL

 #94
20090220842
2009-09-03

Fuel Cell and Polymer Electrolyte Membrane

 #95
20090200235
2009-08-13

PERVAPORATION MEMBRANES AND METHODS OF USE

 #96
20070256969
2007-11-08

Composite Perfluorohydrocarbon Membranes, Their Preparation and Use

 #97
20070219322
2007-09-20

Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof

 #98
20070202377
2007-08-30

Electrolyte material, electrolyte membrane and membrane-electrolyte assembly for polymer electrolyte fuel cells

 #99
20070099035
2007-05-03

Polymer electrolyte membranes (PEMs) based on imidazole ring terminated flexible branches grafted on hybrid inorganic-organic polymers

 #100
20060276555
2006-12-07

Process to prepare stable trifluorostyrene containing compounds grafted to base polymers using a solvent/water mixture

 #101
20060264355
2006-11-23

Separating material

 #102
20060124537
2006-06-15

Pervaporation Membranes and Methods of Use

 #103
20060079594
2006-04-13

Process for preparing graft copolymer membranes

 #104
20050175879
2005-08-11

Grafted polymer electrolyte membrane, method for the production thereof, and application thereof in fuel cells

 #105
20050165167
2005-07-28

Process for preparing graft copolymers and membranes formed therefrom